Nmap scan report for ridong-dro.com (104.21.11.105)
Host is up (0.0011s latency).
Other addresses for ridong-dro.com (not scanned): 2606:4700:3036::6815:b69 2606:4700:3030::ac43:94c4 172.67.148.196
Not shown: 996 filtered tcp ports (no-response)
PORT     STATE SERVICE
80/tcp   open  http
443/tcp  open  https
8080/tcp open  http-proxy
8443/tcp open  https-alt

Nmap done: 1 IP address (1 host up) scanned in 7.23 seconds